Home / 3,125.70-4,680.45-2,472.30

Finding the Fourth Proportional to 3,125.70, 4,680.45 and 2,472.30

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Solution

The fourth proportional to 3,125.70, 4,680.45 and 2,472.30 is: 3,702.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.70 : 4,680.45 = 2,472.30 : x
  2. Step 2: Convert to fraction form
    3,125.70/4,680.45 = 2,472.30/x
  3. Step 3: Cross multiply
    3,125.70x = 4,680.45 × 2,472.30
  4. Step 4: Simplify right side
    3,125.70x = 11,571,476.54
  5. Step 5: Solve for x
    x = 11,571,476.54/3,125.70
  6. Step 6: Final answer
    x = 3,702.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.